u-boot/arch/arm/include/asm/arch-tegra20/clock-tables.h
Lucas Stach 65530a842e tegra20: add clock_set_pllout function
Common practice on Tegra 2 boards is to use the pllp_out4 FO
to generate the ULPI reference clock. For this to work we have
to override the default hardware generated output divider.

This function adds a clean way to do so.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2012-10-15 11:54:07 -07:00

196 lines
3.9 KiB
C

/*
* Copyright (c) 2011 The Chromium OS Authors.
* Copyright (c) 2010-2012 NVIDIA Corporation <www.nvidia.com>
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* Tegra20 clock PLL tables */
#ifndef _CLOCK_TABLES_H_
#define _CLOCK_TABLES_H_
/* The PLLs supported by the hardware */
enum clock_id {
CLOCK_ID_FIRST,
CLOCK_ID_CGENERAL = CLOCK_ID_FIRST,
CLOCK_ID_MEMORY,
CLOCK_ID_PERIPH,
CLOCK_ID_AUDIO,
CLOCK_ID_USB,
CLOCK_ID_DISPLAY,
/* now the simple ones */
CLOCK_ID_FIRST_SIMPLE,
CLOCK_ID_XCPU = CLOCK_ID_FIRST_SIMPLE,
CLOCK_ID_EPCI,
CLOCK_ID_SFROM32KHZ,
/* These are the base clocks (inputs to the Tegra SOC) */
CLOCK_ID_32KHZ,
CLOCK_ID_OSC,
CLOCK_ID_COUNT, /* number of clocks */
CLOCK_ID_NONE = -1,
};
/* The clocks supported by the hardware */
enum periph_id {
PERIPH_ID_FIRST,
/* Low word: 31:0 */
PERIPH_ID_CPU = PERIPH_ID_FIRST,
PERIPH_ID_RESERVED1,
PERIPH_ID_RESERVED2,
PERIPH_ID_AC97,
PERIPH_ID_RTC,
PERIPH_ID_TMR,
PERIPH_ID_UART1,
PERIPH_ID_UART2,
/* 8 */
PERIPH_ID_GPIO,
PERIPH_ID_SDMMC2,
PERIPH_ID_SPDIF,
PERIPH_ID_I2S1,
PERIPH_ID_I2C1,
PERIPH_ID_NDFLASH,
PERIPH_ID_SDMMC1,
PERIPH_ID_SDMMC4,
/* 16 */
PERIPH_ID_TWC,
PERIPH_ID_PWM,
PERIPH_ID_I2S2,
PERIPH_ID_EPP,
PERIPH_ID_VI,
PERIPH_ID_2D,
PERIPH_ID_USBD,
PERIPH_ID_ISP,
/* 24 */
PERIPH_ID_3D,
PERIPH_ID_IDE,
PERIPH_ID_DISP2,
PERIPH_ID_DISP1,
PERIPH_ID_HOST1X,
PERIPH_ID_VCP,
PERIPH_ID_RESERVED30,
PERIPH_ID_CACHE2,
/* Middle word: 63:32 */
PERIPH_ID_MEM,
PERIPH_ID_AHBDMA,
PERIPH_ID_APBDMA,
PERIPH_ID_RESERVED35,
PERIPH_ID_KBC,
PERIPH_ID_STAT_MON,
PERIPH_ID_PMC,
PERIPH_ID_FUSE,
/* 40 */
PERIPH_ID_KFUSE,
PERIPH_ID_SBC1,
PERIPH_ID_SNOR,
PERIPH_ID_SPI1,
PERIPH_ID_SBC2,
PERIPH_ID_XIO,
PERIPH_ID_SBC3,
PERIPH_ID_DVC_I2C,
/* 48 */
PERIPH_ID_DSI,
PERIPH_ID_TVO,
PERIPH_ID_MIPI,
PERIPH_ID_HDMI,
PERIPH_ID_CSI,
PERIPH_ID_TVDAC,
PERIPH_ID_I2C2,
PERIPH_ID_UART3,
/* 56 */
PERIPH_ID_RESERVED56,
PERIPH_ID_EMC,
PERIPH_ID_USB2,
PERIPH_ID_USB3,
PERIPH_ID_MPE,
PERIPH_ID_VDE,
PERIPH_ID_BSEA,
PERIPH_ID_BSEV,
/* Upper word 95:64 */
PERIPH_ID_SPEEDO,
PERIPH_ID_UART4,
PERIPH_ID_UART5,
PERIPH_ID_I2C3,
PERIPH_ID_SBC4,
PERIPH_ID_SDMMC3,
PERIPH_ID_PCIE,
PERIPH_ID_OWR,
/* 72 */
PERIPH_ID_AFI,
PERIPH_ID_CORESIGHT,
PERIPH_ID_RESERVED74,
PERIPH_ID_AVPUCQ,
PERIPH_ID_RESERVED76,
PERIPH_ID_RESERVED77,
PERIPH_ID_RESERVED78,
PERIPH_ID_RESERVED79,
/* 80 */
PERIPH_ID_RESERVED80,
PERIPH_ID_RESERVED81,
PERIPH_ID_RESERVED82,
PERIPH_ID_RESERVED83,
PERIPH_ID_IRAMA,
PERIPH_ID_IRAMB,
PERIPH_ID_IRAMC,
PERIPH_ID_IRAMD,
/* 88 */
PERIPH_ID_CRAM2,
PERIPH_ID_SYNC_CLK_DOUBLER,
PERIPH_ID_CLK_M_DOUBLER,
PERIPH_ID_RESERVED91,
PERIPH_ID_SUS_OUT,
PERIPH_ID_DEV2_OUT,
PERIPH_ID_DEV1_OUT,
PERIPH_ID_COUNT,
PERIPH_ID_NONE = -1,
};
enum pll_out_id {
PLL_OUT1,
PLL_OUT2,
PLL_OUT3,
PLL_OUT4
};
/* Converts a clock number to a clock register: 0=L, 1=H, 2=U */
#define PERIPH_REG(id) ((id) >> 5)
/* Mask value for a clock (within PERIPH_REG(id)) */
#define PERIPH_MASK(id) (1 << ((id) & 0x1f))
/* return 1 if a PLL ID is in range, and not a simple PLL */
#define clock_id_is_pll(id) ((id) >= CLOCK_ID_FIRST && \
(id) < CLOCK_ID_FIRST_SIMPLE)
#endif /* _CLOCK_TABLES_H_ */